I generally do not close my shaving soap container when it is wet.
We recommend building the lather in a bowl or mug before applying. This yields the maximum amount of lather per shave. Contrary to popular belief, mold andbacteria can grow in soap.
Does Shaving Soap Need To Dry?
I don’t know if it needs to dry before i lid it. If you rinse out the lather from the container. Contrary to popular belief, mold andbacteria can grow in soap. 
Do You Store Shave Soap In The Mug?
The method that is most convenient for you is the one you should choose. To get the most out of your shaving soap, we recommend building the lather in a bowl or mug before applying, as it yields the maximum amount of lather per shave, which is best for a large area of shaving needs. 
Can You Wet Shave With Soap?
Thought of as the traditional method for wet shaving, many experts feel shaving soap can provide an equal, if not better, cushion and lubrication to shaving cream. Requiring more attention to detail, shaving soap can also give you more control over the lather itself. 
Frank Harmenstein is the lead editor of the grooming website Cut Throat Straight Razor, and has over 15 years of experience in the industry. He’s personally tested and reviewed over 200 different straight razors, and has written countless articles on the subject.